Digital clock



FIG. 1 is a first perspective view of a digital clock showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a third perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a left side view thereof;

FIG. 9 is a right side view thereof; and,

FIG. 10 is a perspective view of the digital clock in an alternative configuration.

The broken lines are included for the purpose of illustrating portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for a digital clock, as shown and described. 